Kuzungulira kozizira: ndi kukonza kwa kupanikizika ndi kusinthasintha kotambasuka. Kusungunula kungathe kusintha kapangidwe ka mankhwala a zitsulo. Kuzungulira kozizira sikungasinthe kapangidwe ka mankhwala a zitsulo, koyiloyo idzayikidwa mu mipukutu ya zida zozungulira zozizira zomwe zimagwiritsidwa ntchito...
Chitsulo ndi chinthu chofunikira kwambiri komanso chofunikira kwambiri pamakampani omanga, ndipo American Standard H-beam ndi imodzi mwazabwino kwambiri. A992 American Standard H-beam ndi chitsulo chomanga chapamwamba kwambiri, chomwe chakhala mzati wolimba wamakampani omanga chifukwa cha...
1 Chitoliro chopanda msoko chili ndi ubwino waukulu pamlingo wokana kupindika. 2 Chitoliro chopanda msoko ndi chopepuka ndipo ndi chitsulo chotsika mtengo kwambiri. 3 Chitoliro chopanda msoko chili ndi kukana dzimbiri kwabwino, kukana asidi, alkali, mchere ndi dzimbiri la mumlengalenga,...